56 



Annals of the South African MuseiLm. 



Plate IX., fig. 8 (B). 



A fragment showing the thickened cuticular edge of a leaflet and 

 a single stoma with two crescent-shaped cuticular ridges bordering 

 the pore. 



Plate XL, fig. 2 (44e). 



A forked portion of a frond showing a variation in the form of the 

 pinnules, some of which are identical with those represented in 

 fig. 1, pi. vii., while others are longer and illustrate the convergence 

 of the veins to form a midrib in the basal portion of the segments. 



Text-figure 6 (x IJ). 



Thinnfeldiu odontoptero'ules (Morr.). 



From a specimen from Cyphergat in the British Museum (V. 2490). 



Text-figure 6. The British Museum specimen from Cyphergat 

 shows the venation of the pinnules very clearly, it is undoubtedly 

 specifically identical with the example represented in pi. vii., fig. 1. 



Other Sjjeciviens : A. Fragments from Cyphergat ; 4, 5 (associated 

 with a piece of Baiera). 23e, specimen with pinnules intermediate 

 between those shown in pi. vii., figs. 1 and 8 ; associated with 

 Steno2)teris elongata (Carr.) and Callipteridiwm. 24e, 25e, 26e 



